package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {


    /**
     * 查询数据库
     * @param shoppingCartDTO
     * @return
     */
    List<ShoppingCart> selectByList(ShoppingCartDTO shoppingCartDTO);

    /**
     * 新增数据
     * @param shoppingCart
     * @return
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    Integer insert(ShoppingCart shoppingCart);

    /**
     * 更新购物车数据
     * @param shoppingCart
     * @return
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    Integer update(ShoppingCart shoppingCart);


    /**
     * 查询购物车
     * @param userId
     * @return
     */
    @Select("select  * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> selectByUserId(Long userId);


    @Delete("delete from shopping_cart where user_id = #{userId}")
    Integer deleteByUserId(Long userId);
}
